package com.example.fp.zlz.util;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Component("myAuthenticationFailHander")
public class MyAuthenticationFailHander extends SimpleUrlAuthenticationFailureHandler{
	@Autowired
	private ObjectMapper objectMapper;
	private Logger logger = LoggerFactory.getLogger(getClass());
	@Override
	public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception)
			throws IOException, ServletException{
		// TODO Auto-generated method stub
		logger.info("登录失败");
		//以Json格式返回
		Map<String,String> map=new HashMap<>();
		map.put("code", "201");
		map.put("msg", "登录失败");
		response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
		response.setContentType("application/json");
		response.setCharacterEncoding("UTF-8");
		response.getWriter().write(objectMapper.writeValueAsString(map));
	}
}
